package com.hoshiicloud.withdraw.util.gongmao;


public class ShortUrlUtil {

	public static String ShortText(String string) {
		String key = "hoshiicloud"; // 自定义生成MD5加密字符串前的混合KEY
		String[] chars = new String[]{ // 要使用生成URL的字符
				"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",
				"o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
				"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B",
				"C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N",
				"O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"};

		String hex = MD5EncodeUtil.MD5Encode(key + string);
		System.out.println(hex);
		int hexLen = hex.length();
		int subHexLen = hexLen / 8;
		String[] ShortStr = new String[4];

		for (int i = 0; i < subHexLen; i++) {
			String outChars = "";
			int j = i + 1;
			String subHex = hex.substring(i * 8, j * 8);
			long idx = Long.valueOf("3FFFFFFF", 16) & Long.valueOf(subHex, 16);

			for (int k = 0; k < 6; k++) {
				int index = (int) (Long.valueOf("0000003D", 16) & idx);
				outChars += chars[index];
				idx = idx >> 5;
			}
			ShortStr[i] = outChars;
		}
		return ShortStr[0];
	}
}
